Home / 669,911,478.90-1,004,915,213.43-178,622,175.06

Finding the Fourth Proportional to 669,911,478.90, 1,004,915,213.43 and 178,622,175.06

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Solution

The fourth proportional to 669,911,478.90, 1,004,915,213.43 and 178,622,175.06 is: 267,946,059.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,911,478.90 : 1,004,915,213.43 = 178,622,175.06 : x
  2. Step 2: Convert to fraction form
    669,911,478.90/1,004,915,213.43 = 178,622,175.06/x
  3. Step 3: Cross multiply
    669,911,478.90x = 1,004,915,213.43 × 178,622,175.06
  4. Step 4: Simplify right side
    669,911,478.90x = 179,500,141,173,750,720
  5. Step 5: Solve for x
    x = 179,500,141,173,750,720/669,911,478.90
  6. Step 6: Final answer
    x = 267,946,059.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.